Bessie looks at you as the Minotaur grunts and begins to cum, unable to control the double production of his doubled balls--though at least he's hooked up to a milking machine.
"Time for you," Bessie says happily, "to start getting this dairy up to production as well." She whips out another syringe, and before you can do anything, she stabs you in the ass with it.
Your ass begins to hurt, a lot, and so does your back, and then your ass starts swelling while a feeling like fire runs through your veins and you begin to have a splitting headache as horns sprout through your skull and then you pass out from the pain.
You wake, however, to pleasure. The most incredible blowjobs ever on your...cocks. And not from the same place, but from one where it should usually be, and from one far behind it.
You look at yourself, and with your huge hands and muscled chest and huge horns, you realize you're a minotaur now, but with a differnce--above the waist, you have the anthropomorphic bovine form of a minotaur, and below, the usual huge cock and balls and the bull hooves, except that they bend a bit oddly, because they're not so much the hindlegs of a regular anthropomorphic bull-man, but the forelegs of a huge bull, the rest of which is behind you, like the horse part of a centaur, but bull, with a full set of bull equipment in the rear as well. And not just any equipment, but gigantically engorged balls like the Minotaur has, if not bigger, since they're on a giant bull.
You're Minotaur-taur.
Bessie the Cowtaur smiles. "Production is up. Didn't quite expect this result from the new formula, but so long as I get more jizz, hey, who cares?"